Quoted from donjagra:Doctor might be the last to leave!
Personally, I am partial to Strange Science.
Cooky game with some really neat ramps and features.
Wish the made more of the machines, and you have to protect the hell out of the ramps.
Dr. Who pinball machine is eternal, underrated classic, and true collectors know the value.
Owned my prototype since 2006.
Time Expander is a %$#@% to work on though as you have to pull the whole thing and retest all the switches and optos thoroughly on a rebuild before leveling, engieers should have made it easier.